Home / 3,222.30-4,834.60-1,988.27

Finding the Fourth Proportional to 3,222.30, 4,834.60 and 1,988.27

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Solution

The fourth proportional to 3,222.30, 4,834.60 and 1,988.27 is: 2,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.30 : 4,834.60 = 1,988.27 : x
  2. Step 2: Convert to fraction form
    3,222.30/4,834.60 = 1,988.27/x
  3. Step 3: Cross multiply
    3,222.30x = 4,834.60 × 1,988.27
  4. Step 4: Simplify right side
    3,222.30x = 9,612,497.26
  5. Step 5: Solve for x
    x = 9,612,497.26/3,222.30
  6. Step 6: Final answer
    x = 2,983.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.